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Finding the Fourth Proportional to 270.28, 403.45 and 250.24

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Solution

The fourth proportional to 270.28, 403.45 and 250.24 is: 373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.28 : 403.45 = 250.24 : x
  2. Step 2: Convert to fraction form
    270.28/403.45 = 250.24/x
  3. Step 3: Cross multiply
    270.28x = 403.45 × 250.24
  4. Step 4: Simplify right side
    270.28x = 100,959.33
  5. Step 5: Solve for x
    x = 100,959.33/270.28
  6. Step 6: Final answer
    x = 373.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.